Re: [Sdcc-user] TINI native problem, solved: BUG

[Odd A. O. <oao...@c2...>]

The problem was with the GetPort0 function. The compiler did not push and pop 
the acc register. So adding the two nonquoted lines in the code below makes 
my day.

OAO

>
> unsigned char GetPort0(unsigned long p)
> {
> 	xdata unsigned char  *paddr;
>  	paddr= (xdata unsigned char *)p;
> 	return *paddr;
> }
> ;------------------------------------------------------------
> ;Allocation info for local variables in function 'GetPort0'
> ;------------------------------------------------------------
> ;p                         Allocated to registers r2 r3 r4 r5
> ;paddr                     Allocated to registers r2 r3 r4
> ;------------------------------------------------------------
> ;	myn.c:26: unsigned char GetPort0(unsigned long p)
> ;	genFunction
> ;	-----------------------------------------
> ;	 function GetPort0
> ;	-----------------------------------------
> GetPort0:
> ;	genReceive
> ;	myn.c:29: paddr= (xdata unsigned char *)p;
> ;	genCast
        push acc
> 	mov     r2,dpl
> 	mov     r3,dph
> 	mov     r4,dpx
> 	mov     r5,b
> ;       Peephole 238.b  removed 3 redundant moves
> ;	myn.c:30: return *paddr;
> ;	genPointerGet
> ;	genFarPointerGet
> 	movx	a,@dptr
> 	mov	r2,a
> ;	genRet
> 	mov	dpl,r2
> ;	genLabel
> L00105:
> ;	genEndFunction
       pop acc
> 	ret
> 	; SECTION NOT SUPPORTED
> 	end